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This is an automatically generated e-mail. To reply, visit:
<a href="https://reviewboard.asterisk.org/r/1891/">https://reviewboard.asterisk.org/r/1891/</a>
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<p style="margin-top: 0;">On May 3rd, 2012, 4:42 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1891/diff/1/?file=27601#file27601line9837" style="color: black; font-weight: bold; text-decoration: underline;">/channels/chan_sip.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int process_sdp_a_ice(const char *a, struct sip_pvt *p, struct ast_rtp_instance *instance)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> char ufrag[256], pwd[256], foundation[32], transport[4], address[24], cand_type[6], relay_address[24] = "";</pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">address and relay_address should be larger since an IPv6 address may require more than 23 characters.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Fixed.</pre>
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<p style="margin-top: 0;">On May 3rd, 2012, 4:42 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1891/diff/1/?file=27606#file27606line43" style="color: black; font-weight: bold; text-decoration: underline;">/res/res_rtp_asterisk.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">#undef bzero</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">#define bzero bzero</pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">A comment explaining this would be fantastic.</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Done.</pre>
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<p style="margin-top: 0;">On May 3rd, 2012, 4:42 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1891/diff/1/?file=27606#file27606line422" style="color: black; font-weight: bold; text-decoration: underline;">/res/res_rtp_asterisk.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void ast_rtp_ice_start(struct ast_rtp_instance *instance)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> struct ast_rtp *rtp = ast_rtp_instance_get_data(instance);</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> pj_str_t ufrag = pj_str(rtp->remote_ufrag), passwd = pj_str(rtp->remote_passwd);</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> pj_ice_sess_cand candidates[PJ_ICE_MAX_CAND];</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> struct ao2_iterator i;</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> struct ast_rtp_engine_ice_candidate *candidate;</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> int cand_cnt = 0;</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> if (!rtp->ice || !rtp->remote_candidates) {</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> return;</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> pj_thread_register_check();</pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I'm a bit confused about pj_thread_register_check(). The idea is that you have to register your thread with pjlib before calling any of pjlib's functions, or else the library will assert and you'll feel very silly.
The problem here is that you've used pj_str() twice before calling pj_thread_register_check(). Is that potentially problematic?</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">No, actually. The usage of pj_str as seen simply sets the pointer and length within the pj_str_t structure itself. It does not allocate memory or do anything with pjlib. If I made a copy of the string using a memory pool I would not be able to until after the call to pj_thread_register_check.</pre>
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<p style="margin-top: 0;">On May 3rd, 2012, 4:42 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1891/diff/1/?file=27606#file27606line663" style="color: black; font-weight: bold; text-decoration: underline;">/res/res_rtp_asterisk.c</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static void ast_rtp_on_turn_rx_rtp_data(pj_turn_sock *turn_sock, void *pkt, unsigned pkt_len, const pj_sockaddr_t *peer_addr, unsigned addr_len)</pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">red blob</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Fixed.</pre>
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<p style="margin-top: 0;">On May 3rd, 2012, 4:42 p.m., <b>Mark Michelson</b> wrote:</p>
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<a href="https://reviewboard.asterisk.org/r/1891/diff/1/?file=27606#file27606line805" style="color: black; font-weight: bold; text-decoration: underline;">/res/res_rtp_asterisk.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int __rtp_recvfrom(struct ast_rtp_instance *instance, void *buf, size_t size, int flags, struct ast_sockaddr *sa, int rtcp)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> if (rtp->ice) {</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> pj_str_t combined = pj_str(ast_sockaddr_stringify(sa));</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> pj_sockaddr address;</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> pj_thread_register_check();</pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Another case of using pj_str() before pj_thread_register_check()</pre>
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<pre style="margin-left: 1em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">See comment above.</pre>
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<p>- Joshua</p>
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<p>On April 30th, 2012, 1:50 p.m., Joshua Colp wrote:</p>
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<div>Review request for Asterisk Developers.</div>
<div>By Joshua Colp.</div>
<p style="color: grey;"><i>Updated April 30, 2012, 1:50 p.m.</i></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This patch adds support for the following:
ICE attribute parsing and generation in chan_sip
Usage of the ICE interface in chan_sip
ICE support within res_rtp_asterisk
STUN support within res_rtp_asterisk for getting the server reflexive address
TURN support within res_rtp_asterisk for relaying traffic when needed
Additional configuration options for the above
One area which could use some feedback is the pjproject integration. Should we try to use their build system as I have done to integrate things, or try to roll their stuff into ours further?
If you would like some background on ICE and the actual support here take a gander at the wiki page located at https://wiki.asterisk.org/wiki/display/~jcolp/ICE%2C+STUN%2C+and+TURN+Support - hopefully it proves useful to you.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Tested various scenarios using Bria and X-Lite behind multiple NATs, different NATs, different internet connections but locally reachable, etc. It works well.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/trunk/channels/chan_sip.c <span style="color: grey">(361952)</span></li>
<li>/trunk/configs/rtp.conf.sample <span style="color: grey">(361952)</span></li>
<li>/trunk/include/asterisk/rtp_engine.h <span style="color: grey">(361952)</span></li>
<li>/trunk/main/rtp_engine.c <span style="color: grey">(361952)</span></li>
<li>/trunk/res/Makefile <span style="color: grey">(361952)</span></li>
<li>/trunk/res/res_rtp_asterisk.c <span style="color: grey">(361952)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/1891/diff/" style="margin-left: 3em;">View Diff</a></p>
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